class ZendDataCache

ZendDataCacheTest.php in drupal/core/vendor/doctrine/common/tests/Doctrine/Tests/Common/Cache/ZendDataCacheTest.php

class ZendDataCache extends CacheProvider {

  /**
   * {@inheritdoc}
   */
  protected function doFetch($id) {
    return zend_shm_cache_fetch($id);
  }

  /**
   * {@inheritdoc}
   */
  protected function doContains($id) {
    return false !== zend_shm_cache_fetch($id);
  }

  /**
   * {@inheritdoc}
   */
  protected function doSave($id, $data, $lifeTime = 0) {
    return zend_shm_cache_store($id, $data, $lifeTime);
  }

  /**
   * {@inheritdoc}
   */
  protected function doDelete($id) {
    return zend_shm_cache_delete($id);
  }

  /**
   * {@inheritdoc}
   */
  protected function doFlush() {
    $namespace = $this
      ->getNamespace();
    if (empty($namespace)) {
      return zend_shm_cache_clear();
    }
    return zend_shm_cache_clear($namespace);
  }

  /**
   * {@inheritdoc}
   */
  protected function doGetStats() {
    return null;
  }

}